基本解释

• [医药科学]正性自然选择

英汉例句

双语例句

• Evolution myths: Natural selection is the only means of evolution-Much change is due to random genetic drift rather than positive selection.
  错！其实，不同个体之间的很多细微变化都源自“遗传漂变”，而不是自然选择。
  zhangzhongjie1984.spaces.live.com
• The major conclusions were as follows: (1) We obtained strong evidence of positive natural selection on the entire CYP3A gene cluster in non-Africans.
  结果如下：（1） 整个CYP3A基因簇在非洲以外的人群中受到正性自然选择的作用；

专业释义

医药科学

• 正性自然选择